3954447

素因数分解:

$3^3\times 7^4\times {\mathrm{61}}^1$

素因数の和:98

約数の個数: 40

約数和(自身を含む): 6946480

約数和(自身を除く): 2992033

約数列:

[1, 3, 7, 9, 21, 27, 49, 61, 63, 147, 183, 189, 343, 427, 441, 549, 1029, 1281, 1323, 1647, 2401, 2989, 3087, 3843, 7203, 8967, 9261, 11529, 20923, 21609, 26901, 62769, 64827, 80703, 146461, 188307, 439383, 564921, 1318149, 3954447]

約数ペア:

[(1, 3954447), (3, 1318149), (7, 564921), (9, 439383), (21, 188307), (27, 146461), (49, 80703), (61, 64827), (63, 62769), (147, 26901), (183, 21609), (189, 20923), (343, 11529), (427, 9261), (441, 8967), (549, 7203), (1029, 3843), (1281, 3087), (1323, 2989), (1647, 2401)]